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137N1755 Danfoss 250kW Three Phase iC7-Automation Variable Speed Drive
Danfoss 137N1755 iC7-Automation frequency converter with 250 kW output power, 480 A current rating, 380-500 V AC three phase input, IP21 enclosure, Modbus TCP communication and integrated STO safety.
£20,347.50
Why Choose the Danfoss 137N1755 iC7-Automation Frequency Converter?
The Danfoss 137N1755 is a high-performance iC7-Automation frequency converter designed for demanding industrial automation applications requiring precise motor control, dependable communication and robust drive performance. As part of the advanced Danfoss iC7-Automation drive platform, it delivers reliable speed and torque control for production machinery, process systems and industrial motor installations.
The iC7-Automation series is engineered for modern automation environments, combining flexible configuration, functional safety, industrial networking and efficient motor control. Its IP21 / UL Type 1 enclosure provides enhanced protection for industrial installations while supporting reliable air-cooled operation.
With a rated output power of 250 kW / 350 hp, a 480 A current rating and a three-phase 380-500 V AC supply, the Danfoss 137N1755 is well suited to high-power industrial machinery, pumps, fans, compressors, conveyors and process automation systems requiring dependable drive performance.
Key Advantages
- Advanced Danfoss iC7-Automation frequency converter for industrial motor control.
- 250 kW / 350 hp power rating for high-power automation applications.
- 480 A current rating for demanding motor installations.
- Three-phase 380-500 V AC input for industrial power systems.
- IP21 / UL Type 1 protection for enhanced installation durability.
- Integrated Modbus TCP communication for industrial networking.
- Built-in Safe Torque Off (STO) functional safety.
- AC fuses and mains switch included for improved system integration.
Key Features
- Danfoss iC7-Automation series.
- 250 kW / 350 hp rated output power.
- 480 A rated output current.
- Three-phase 380-500 V AC input supply.
- IP21 / UL Type 1 enclosure rating.
- Frame size FK10c.
- EMC category C3.
- Integrated Modbus TCP OS7MT fieldbus protocol.
- Ethernet port included for industrial communication.
- Standard I/O: 4 digital inputs, 2 digital I/O, 2 analogue inputs, 1 analogue output and 2 relay outputs.
- Integrated Safe Torque Off (STO) safety function.
- Control Panel 2.8 OPX20 included.
- MicroSD card reader and real-time clock interface board.
- Coated boards for additional environmental protection.
High-Power Motor Control for Automation Systems
Frequency converters such as the Danfoss iC7-Automation regulate motor speed and torque by adjusting output voltage and frequency. This helps improve process control, reduce mechanical stress and support better energy performance across industrial machinery and automation systems.
The Danfoss 137N1755 is designed for applications where dependable high-power motor control, flexible communication and robust installation protection are required. Its Modbus TCP connectivity, Ethernet interface, integrated safety functionality and mains input options make it suitable for PLC-controlled automation environments.
Typical Applications
- High-power industrial motor control systems.
- Manufacturing and production machinery.
- Pumps, fans and compressors.
- Conveyors and material handling equipment.
- Process automation systems.
- OEM machinery and machine building.
- Industrial control panels.
- Industrial infrastructure and utility systems.
Technical Specifications
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| Power | 250 kW | |
|---|---|---|
| Current | 480 A | |
| Phase | Three Phase | |
| IP Rating | IP21 | |
| EMC Filter | Industrial | |
| Series | iC7-Automation | |
| Part Number | 137N1755 | |
| Catalogue Number | 7FC-AUFA3N05-480AE21F3-000131063 | |
| Model Code | IC7-60FA3N05-480AE21F3+AGCX+AJFD+BAMT+BDBA+BEF1+BF20+CAC0+CCR0+DAAU | |
| Product Type | Frequency converter | |
| Cooling Type | Air-cooled | |
| Rated Power | 250 kW / 350 hp | |
| Rated Current | 480 A | |
| Input Voltage | 380-500 V AC | |
| Input Phase | Three phase | |
| Protection Rating | IP21 / UL Type 1 | |
| Frame Size | FK10c | |
| EMC Category | C3 | |
| Fieldbus Protocol | Modbus TCP OS7MT | |
| Other Protocols | Ethernet port, no protocol | |
| Functional Safety | STO, not upgradeable | |
| Control Panel | OPX20 2.8" panel | |
| Standard I/O | 4xDI, 2xDI/O, 2xAI, 1xAO, 2xRO | |
| Net Weight | approx. 147.95 kg | |
| Gross Weight | approx. 178.06 kg | |
| EAN | 5715253595139 |
Frequently Asked Questions
What is the Danfoss 137N1755 used for?
The Danfoss 137N1755 is used to control the speed and torque of three-phase AC motors in industrial automation, machinery and process control applications.
What power rating does this frequency converter provide?
The drive provides a rated output power of approximately 250 kW / 350 hp.
What supply voltage does the Danfoss 137N1755 require?
The drive operates from a three-phase 380-500 V AC supply.
Which communication protocol is included?
The Danfoss 137N1755 includes Modbus TCP OS7MT fieldbus communication and an Ethernet port for industrial networking.
Does the drive include safety functionality?
Yes, it includes integrated Safe Torque Off (STO) functionality for enhanced machine safety.
Trusted by Industrial Automation Professionals
Danfoss iC7-Automation frequency converters are trusted by engineers, OEMs and automation specialists for precise motor control, flexible connectivity and dependable performance in demanding industrial applications.
